The Central Meteorological Observatory issued four warnings for cold wave, heavy fog, strong wind and sandstorm. Severe cooling has occurred from east to west, from north to south, with daily average or minimum temperatures generally falling by 8 to 12°C.

Temperatures in central and eastern Northeast China, southern North China, Huanghuai, Jianghu Kai, Jianghan, Jiangnan, central and northern South China, and Guizhou will drop by 12 °C to 14 °C. Around February 23, the minimum temperature line of 0°C will press southward.